55091952 has 30 divisors (see below), whose sum is σ = 154181352. Its totient is φ = 18363936.

The previous prime is 55091941. The next prime is 55091989. The reversal of 55091952 is 25919055.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191148 + ... + 191435.

Almost surely, 2^55091952 is an apocalyptic number.

It is an amenable number.

55091952 is an abundant number, since it is smaller than the sum of its proper divisors (99089400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55091952 is a wasteful number, since it uses less digits than its factorization.

55091952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382597 (or 382588 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 36.

The square root of 55091952 is about 7422.3953007099. The cubic root of 55091952 is about 380.5070608574.

The spelling of 55091952 in words is "fifty-five million, ninety-one thousand, nine hundred fifty-two".